Vann Ranch Middle Creek, Black Rock, Grizzly Canyon

Prospect in Lake county in California, United States with commodity Manganese
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10030711
MRDS ID M009041
Record type Site
Current site name Vann Ranch Middle Creek, Black Rock, Grizzly Canyon
Related records 10236201

Geographic coordinates

Geographic coordinates: -122.97331, 39.28543 (WGS84)
Relative position 11.4 MI. N - NW OF UPPER LAKE, 37 MI. FROM UKIAH.

Site location context

Political divisions (FIPS codes)

Lake(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elk Mountain(quadrangle 1:24,000 scale)

Lakeport(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cache(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Mendocino National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 017N 010W 34 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Pyrolusite Ore

Analytical data

Result AVERAGE GRADE LESS THAN 25 PERCENT MANGANESE.

Nearby scientific data

(1) Franciscan melange

Economic information

Ore body information

  • Length 38.1M

Comments on the geologic information

  • GEOL.DESC: ORE BODY IS IN A NARROW BAND OF THIN BEDDED BUFF SHALY CHERT, BORDERED BY BROWN MICACEOUS SANDSTONE. ORE BODY IS EXPOSED FOR 125 FT. ALONG STRIKE. SOME MANGANIFEROUS CHERT CONTAINS THIN PARTINGS OF PYROLUSITE ORE. THE ORE IS A SILICEOUS OXIDE CUT BY QUARTZ VEINS.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner G. W. Vann

Comments on the workings information

  • ADITS, OPEN CUT.

Reference information

Bibliographic references

  • Deposit

    CALIF. B. 125, 1943, P. 127

  • Deposit

    CALIF. BULL. 152, P. 98

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1977 Killman, K.; Albers, J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.